iPhone 4S vs. the smartphone elite: Galaxy S II, Bionic and Titan

Engadget - Now that we know how the iPhone 4S stacks up against the iPhone 4, let's take a look at how Apple's latest smartphone compares to its mightiest competitors on the other major platforms -- Android and Windows Phone. In Google's camp we chose the superlative Samsung Galaxy S II models (focusing on the announced US variants) along with the Motorola Droid Bionic for its qHD and LTE chops.